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Land Cruiser

  1. Remove HIC valve from air cleaner. With valve below 81°F (27°C), block intake manifold port and blow through heated air cleaner port. No air should escape from atmospheric port.
  2. Heat valve in hot water. DO NOT allow water inside valve. Block heated air cleaner port and blow through intake manifold port. When valve is between 81-122°F (27-50°C), a small amount of air should pass through atmospheric port. A large amount of air should pass through atmospheric port when valve is above 185°F (85°C).
HOT IDLE COMPENSATION OPERATING TEMPERATURES

Application Minimum Temp. °F (°C) Maximum Temp. °F (°C)
Land Cruiser 81-122 (27-50) Above 185 (85)
All Others 84-126 (29-52) Above 192 (89)